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1 /*
2  * Copyright 2001-2021 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (the "License").  You may not use
5  * this file except in compliance with the License.  You can obtain a copy
6  * in the file LICENSE in the source distribution or at
7  * https://www.openssl.org/source/license.html
8  */
9 
10 /* We need to use some engine deprecated APIs */
11 #define OPENSSL_SUPPRESS_DEPRECATED
12 
13 #include "eng_local.h"
14 
15 /* Basic get/set stuff */
16 
ENGINE_set_load_privkey_function(ENGINE * e,ENGINE_LOAD_KEY_PTR loadpriv_f)17 int ENGINE_set_load_privkey_function(ENGINE *e,
18                                      ENGINE_LOAD_KEY_PTR loadpriv_f)
19 {
20     e->load_privkey = loadpriv_f;
21     return 1;
22 }
23 
ENGINE_set_load_pubkey_function(ENGINE * e,ENGINE_LOAD_KEY_PTR loadpub_f)24 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
25 {
26     e->load_pubkey = loadpub_f;
27     return 1;
28 }
29 
ENGINE_set_load_ssl_client_cert_function(ENGINE * e,ENGINE_SSL_CLIENT_CERT_PTR loadssl_f)30 int ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
31                                              ENGINE_SSL_CLIENT_CERT_PTR
32                                              loadssl_f)
33 {
34     e->load_ssl_client_cert = loadssl_f;
35     return 1;
36 }
37 
ENGINE_get_load_privkey_function(const ENGINE * e)38 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e)
39 {
40     return e->load_privkey;
41 }
42 
ENGINE_get_load_pubkey_function(const ENGINE * e)43 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e)
44 {
45     return e->load_pubkey;
46 }
47 
ENGINE_get_ssl_client_cert_function(const ENGINE * e)48 ENGINE_SSL_CLIENT_CERT_PTR ENGINE_get_ssl_client_cert_function(const ENGINE
49                                                                *e)
50 {
51     return e->load_ssl_client_cert;
52 }
53 
54 /* API functions to load public/private keys */
55 
ENGINE_load_private_key(ENGINE * e,const char * key_id,UI_METHOD * ui_method,void * callback_data)56 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id,
57                                   UI_METHOD *ui_method, void *callback_data)
58 {
59     EVP_PKEY *pkey;
60 
61     if (e == NULL) {
62         ERR_raise(ERR_LIB_ENGINE, ERR_R_PASSED_NULL_PARAMETER);
63         return NULL;
64     }
65     if (!CRYPTO_THREAD_write_lock(global_engine_lock))
66         return NULL;
67     if (e->funct_ref == 0) {
68         CRYPTO_THREAD_unlock(global_engine_lock);
69         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_INITIALISED);
70         return NULL;
71     }
72     CRYPTO_THREAD_unlock(global_engine_lock);
73     if (!e->load_privkey) {
74         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_LOAD_FUNCTION);
75         return NULL;
76     }
77     pkey = e->load_privkey(e, key_id, ui_method, callback_data);
78     if (pkey == NULL) {
79         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
80         return NULL;
81     }
82     return pkey;
83 }
84 
ENGINE_load_public_key(ENGINE * e,const char * key_id,UI_METHOD * ui_method,void * callback_data)85 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id,
86                                  UI_METHOD *ui_method, void *callback_data)
87 {
88     EVP_PKEY *pkey;
89 
90     if (e == NULL) {
91         ERR_raise(ERR_LIB_ENGINE, ERR_R_PASSED_NULL_PARAMETER);
92         return NULL;
93     }
94     if (!CRYPTO_THREAD_write_lock(global_engine_lock))
95         return NULL;
96     if (e->funct_ref == 0) {
97         CRYPTO_THREAD_unlock(global_engine_lock);
98         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_INITIALISED);
99         return NULL;
100     }
101     CRYPTO_THREAD_unlock(global_engine_lock);
102     if (!e->load_pubkey) {
103         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_LOAD_FUNCTION);
104         return NULL;
105     }
106     pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
107     if (pkey == NULL) {
108         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
109         return NULL;
110     }
111     return pkey;
112 }
113 
ENGINE_load_ssl_client_cert(ENGINE * e,SSL * s,STACK_OF (X509_NAME)* ca_dn,X509 ** pcert,EVP_PKEY ** ppkey,STACK_OF (X509)** pother,UI_METHOD * ui_method,void * callback_data)114 int ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s,
115                                 STACK_OF(X509_NAME) *ca_dn, X509 **pcert,
116                                 EVP_PKEY **ppkey, STACK_OF(X509) **pother,
117                                 UI_METHOD *ui_method, void *callback_data)
118 {
119 
120     if (e == NULL) {
121         ERR_raise(ERR_LIB_ENGINE, ERR_R_PASSED_NULL_PARAMETER);
122         return 0;
123     }
124     if (!CRYPTO_THREAD_write_lock(global_engine_lock))
125         return 0;
126     if (e->funct_ref == 0) {
127         CRYPTO_THREAD_unlock(global_engine_lock);
128         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NOT_INITIALISED);
129         return 0;
130     }
131     CRYPTO_THREAD_unlock(global_engine_lock);
132     if (!e->load_ssl_client_cert) {
133         ERR_raise(ERR_LIB_ENGINE, ENGINE_R_NO_LOAD_FUNCTION);
134         return 0;
135     }
136     return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
137                                    ui_method, callback_data);
138 }
139